package com.scproject.config;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.servlet.Filter;
import javax.servlet.Servlet;
import javax.sql.DataSource;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;

@Configuration
public class DruidConfig {

    @ConfigurationProperties(prefix = "spring.datasource")
    @Bean
    public DataSource druid(){
        return new DruidDataSource();
    }

    //1.配置一个后台Servlet
    @Bean
    public ServletRegistrationBean statViewServlet(){
        ServletRegistrationBean<Servlet> bean = new ServletRegistrationBean<>(new StatViewServlet(),"/druid/*");
        Map<String,String> initParam = new HashMap<>();
        initParam.put("loginUsername","admin");
        initParam.put("loginPassword","123456");
        initParam.put("allow","");
        initParam.put("deny","");
        bean.setInitParameters(initParam);
        return bean;
    }

    //2.配置一个过滤器
    @Bean
    public FilterRegistrationBean webStatFilter(){
        FilterRegistrationBean<Filter> bean = new FilterRegistrationBean();
        bean.setFilter(new WebStatFilter());
        Map<String,String> initParam = new HashMap<>();
        initParam.put("exclusions","*.js,*.css,/druid/*");
        bean.setInitParameters(initParam);
        bean.setUrlPatterns(Arrays.asList("/*"));//所有都需要过滤
        return bean;
    }

}
